CN210881528U - Composite hub and embedded threaded sleeve - Google Patents
Composite hub and embedded threaded sleeve Download PDFInfo
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- CN210881528U CN210881528U CN201921770405.8U CN201921770405U CN210881528U CN 210881528 U CN210881528 U CN 210881528U CN 201921770405 U CN201921770405 U CN 201921770405U CN 210881528 U CN210881528 U CN 210881528U
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Abstract
The utility model discloses a pre-buried swivel nut, which comprises a swivel nut body, wherein a threaded hole is arranged in the swivel nut body, and the outer wall of the swivel nut body is provided with a circumferential rotation prevention section and an axial movement prevention structure; a section, which is obtained by cutting a radial section perpendicular to the axis of the threaded hole on the circumferential rotation prevention section, is a circumferential rotation prevention section, and the distances from points on the outer contour line of the circumferential rotation prevention section to the axis of the threaded hole are not equal completely; and a curve obtained by the axial section passing through the axis of the threaded hole on the axial movement prevention structure is an axial movement prevention curve, and the distances between the axial movement prevention curve and the axis of the threaded hole are not completely equal. The utility model also discloses a combined material wheel hub, including the wheel hub body that adopts combined material integrated into one piece, be equipped with the rim on the wheel hub body, the inboard of rim is equipped with the go-between, bury underground respectively in the both ends terminal surface of go-between as above pre-buried swivel nut.
Description
Technical Field
The utility model relates to a wheel hub specifically is a combined material wheel hub and pre-buried swivel nut.
Background
Chinese patent with publication number CN203920248U discloses a wheel hub of an electric vehicle wheel hub motor, wheel hub includes rim and motor magnetic ring, motor magnetic ring fixes at the rim inboard and adopts the welding mode to connect, motor magnetic ring medial surface is used for pasting the motor permanent magnet, the valve installation hole that supplies the inflating valve to wear out from the rim has on the rim, the inner wall of above-mentioned valve installation hole is formed with annular boss for the rim from inside to outside evagination, the turn-over department of valve installation hole has the circular arc transition face. Although the wheel hub of the electric vehicle wheel hub motor improves the sealing performance of the inflating valve, the whole wheel hub is made of metal materials, and the problems of heavy weight, high manufacturing cost and high energy consumption of an electric vehicle adopting the wheel hub are solved.
The lightweight is the focus of wheel hub technology research and development, and the wheel hub lightweight can effectively alleviate vibration transmission, reduce inertia, reduce running resistance to make equipment operate steadily. At present, the hub is mostly made of composite materials so as to realize the light weight of the hub. For example, the chinese application with publication number CN104802423A discloses a method for preparing a fiber-reinforced thermoplastic resin-based composite material automobile hub, the chinese patent application with publication number CN106182814A discloses a method for manufacturing a composite material hub, and the chinese patent with publication number CNCN108274682A discloses a carbon fiber-reinforced polyether-ether-ketone thermoplastic composite material automobile hub and a method for manufacturing the same. These wheel hub manufacturing methods all pay attention to what kind of combined material realizes the wheel hub lightweight, but because the fibrous characteristic of combined material, can't directly drill in the combined material, therefore current combined material wheel hub all can only satisfy the preparation of the wheel hub that does not have the screw hole in inside, to the wheel hub that needs the installation in-wheel motor, because need set up threaded connection structure between wheel hub and in-wheel motor, current combined material wheel hub can't satisfy the operation requirement.
Disclosure of Invention
In view of this, the utility model aims at providing a combined material wheel hub and pre-buried swivel nut realizes setting up the technical purpose of screw in combined material wheel hub through the mode of pre-buried swivel nut in combined material wheel hub.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model firstly provides a pre-buried swivel nut, which comprises a swivel nut body, wherein a threaded hole is arranged in the swivel nut body, and the outer wall of the swivel nut body is provided with a circumferential rotation prevention section and an axial movement prevention structure;
a section, which is obtained by cutting a radial section perpendicular to the axis of the threaded hole on the circumferential rotation prevention section, is a circumferential rotation prevention section, and the distances from points on the outer contour line of the circumferential rotation prevention section to the axis of the threaded hole are not equal completely;
and a curve obtained by the axial section passing through the axis of the threaded hole on the axial movement prevention structure is an axial movement prevention curve, and the distances between the axial movement prevention curve and the axis of the threaded hole are not completely equal.
Further, the outer contour line is an eccentric circle which is eccentrically arranged relative to the axis of the threaded hole; or the like, or, alternatively,
at least one section of distance gradual change section is arranged on the outer contour line (13), and the distance between the distance gradual change section and the axis of the threaded hole (11) is gradually increased or decreased; or the like, or, alternatively,
the outer contour line is provided with at least one sunken section which is sunken inwards in the radial direction relative to the axis of the threaded hole; or the like, or, alternatively,
the outer contour line is provided with at least one convex section which is convex outwards in the radial direction relative to the axis of the threaded hole; or the like, or, alternatively,
the outer contour line is provided with at least one sunken section which is sunken inwards in the radial direction relative to the axis of the threaded hole; the outer contour line is provided with at least one convex section which is convex outwards in the radial direction relative to the axis of the threaded hole.
Further, the sunken section and/or the protruding section are arranged in an annular and uniform manner relative to the axis of the threaded hole.
Further, the distance from the axial movement preventing curve to the axis of the threaded hole along the direction from one end to the other end of the axial movement preventing curve is gradually increased or gradually decreased; or the like, or, alternatively,
the axial movement preventing curve is provided with at least one concave section which is concave towards the axis of the threaded hole; or the like, or, alternatively,
the axial movement preventing curve is provided with at least one convex section which is convex outwards and faces away from the axis of the threaded hole; or the like, or, alternatively,
the axial movement preventing curve is provided with at least one concave section which is concave towards the axis of the threaded hole; and at least one convex section which is back to the axis of the threaded hole and protrudes outwards is arranged on the axial movement prevention curve.
Further, when the distance from the axial line of the threaded hole to the axial movement prevention curve along the direction from one end to the other end of the axial movement prevention curve gradually increases or gradually decreases, the axial movement prevention curve is a straight line or a curve which is obliquely arranged relative to the axial line of the threaded hole;
the concave sections and/or the convex sections are arranged on the axial movement preventing curve at intervals.
Further, the threaded hole is a blind hole formed in one end of the threaded sleeve body, and when the axial movement preventing curve is gradually increased or gradually decreased from the axis of the threaded hole along the direction from one end to the other end of the axial movement preventing curve, the opening end of the threaded hole is close to the end, closest to the axis of the axial movement preventing curve, of the axial movement preventing curve.
The utility model also provides a combined material wheel hub, including the wheel hub body that adopts combined material integrated into one piece, be equipped with the rim on the wheel hub body, the inboard of rim is equipped with the go-between, bury underground respectively in the both ends terminal surface of go-between as above pre-buried swivel nut.
Further, the embedded thread sleeves are annularly and uniformly distributed and embedded on the end faces of the corresponding connecting rings.
Furthermore, the end faces of the two ends of the connecting ring are respectively provided with a groove group positioned between two adjacent embedded thread sleeves, and each groove group comprises at least one groove.
Further, the threaded hole is a blind hole formed in one end of the thread insert body, and an opening end of the threaded hole is located on the end face of the connecting ring where the threaded hole is located.
The beneficial effects of the utility model reside in that:
the utility model discloses a combined material wheel hub, through pre-buried swivel nut that sets up in the link ring, and prevent the circumferential direction section and prevent the axial displacement structure through setting up on pre-buried swivel nut, when the wheel hub body adopted combined material integrated into one piece, combined material and pre-buried on the swivel nut prevent the circumferential direction section and prevent the axial displacement structure between the complete embeded together, utilize combined material's shaping intensity, can effectively prevent pre-buried swivel nut for wheel hub body rotation and axial displacement, realize the technical purpose who sets up the screw hole in wheel hub body promptly, therefore, the utility model discloses a combined material wheel hub can satisfy the installation requirement of wheel hub motor etc..
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
fig. 1 is a schematic structural view of an embodiment of the composite hub of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural view of a pre-buried thread insert;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
fig. 5 is a schematic view of the structure when a convex ring is provided on the connection ring.
Description of reference numerals:
10-the thread insert body; 11-a threaded hole; 12-anti-circumferential rotation section; 13-outer contour; 13 a-a recessed section; 14-axial movement prevention curve; 14 a-a concave inward section; 14 b-a convex section;
20-a hub body; 21-a rim; 22-a connecting ring; 22 a-a convex ring; 23-a groove; 24-a rib plate; 25-embedding the thread insert.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, is a schematic structural diagram of an embodiment of the composite hub of the present invention. The composite material hub comprises a hub body 20 integrally formed by composite materials, wherein a rim 21 is arranged on the hub body 20, a connecting ring 22 is arranged on the inner side of the rim 21, and embedded thread inserts 25 are respectively embedded in the end faces of two ends of the connecting ring 22.
The pre-buried swivel nut 25 of this embodiment, including swivel nut body 10, be equipped with screw hole 11 in the swivel nut body 10, be equipped with on the outer wall of swivel nut body 10 and prevent circumferential direction section and prevent axial displacement structure. Specifically, the section that the radial cross-section of the axis of perpendicular to screw hole 11 was cut on preventing the circumferential direction section is for preventing circumferential direction section 12, prevent that the distance of the point on the outline 13 of circumferential direction section 12 apart from the axis of screw hole 11 is not equal completely, when promptly if pre-buried swivel nut takes place circumferential direction, because prevent that the distance of circumferential direction section apart from the screw hole 11 axis is not equal completely, then prevent on the circumferential direction section apart from the screw hole 11 great position structure of distance can and the shaping takes place to interfere between the combined material of wheel hub body 20, prevent pre-buried swivel nut to take place circumferential direction.
Specifically, the axial section of the axis of the threaded hole 11 is the axial displacement preventing curve 14, the distance from the axial displacement preventing curve 14 to the axis of the threaded hole 11 is not equal, that is, if the embedded thread sleeve is axially displaced, the position structure which is located at a larger distance from the axis of the threaded hole 11 and is located on the axial displacement preventing structure interferes with the composite material which is formed into the hub body 20, so that the embedded thread sleeve is prevented from axially displacing.
Specifically, the anti-circumferential rotation section can be realized by adopting various structures, such as:
the outer contour line 13 can be an eccentric circle which is eccentrically arranged relative to the axis of the threaded hole 11, and the technical purpose that the distances between the eccentric circle and the axis of the threaded hole 11 are not completely equal can be realized;
at least one section of distance gradual change section is arranged on the outer contour line 13, and the distance from the distance gradual change section to the axis of the threaded hole 11 is gradually increased or gradually reduced; preferably, the distance gradual change section can be axially symmetrically arranged into two sections or annularly and uniformly arranged into at least three sections, namely the structure comprises various cams and other structures;
the outer contour line 13 is provided with at least one sunken section which is sunken inwards in the radial direction relative to the axis of the threaded hole 11, namely a groove-shaped structure in the circumferential direction is formed on the circumferential rotation prevention section, and the groove-shaped structure is embedded with the composite material and can prevent the circumferential rotation of the embedded thread insert;
the outer contour line 13 is provided with at least one convex section which is convex outwards in the radial direction relative to the axis of the threaded hole 11, namely a convex structure in the circumferential direction is formed on the circumferential rotation prevention section, and the convex structure is embedded into the composite material, so that the circumferential rotation of the embedded thread sleeve can be prevented;
of course, it is also possible to provide the outer contour 13 with at least one recessed segment that is recessed radially inward relative to the axis of the threaded bore 11 and to provide the outer contour 13 with at least one raised segment that is raised radially outward relative to the axis of the threaded bore 11, which will not be described in detail. Preferably, the concave section and/or the convex section are uniformly distributed in a ring shape relative to the axis of the threaded hole 11, so that the reliability of preventing circumferential rotation is better.
Of course, the anti-circumferential rotation section can be set to other various structural forms, and only the technical condition that the distance from the point on the outer contour line 13 of the anti-circumferential rotation section 12 to the axis of the threaded hole 11 is not completely equal is required to be met, and the principle is equivalent, and the description is not repeated.
The outer contour line 13 of this embodiment is provided with the sunken section 13a that radially inwards caves in for the axis of screw hole 11, and sunken section is the annular equipartition setting for the axis of screw hole 11, prevents that circumferential direction's reliability is better.
Specifically, the axial movement prevention structure can be realized by adopting various structures, such as:
the distance from the axial movement preventing curve 14 to the axis of the threaded hole 11 along the direction from one end to the other end thereof gradually increases or gradually decreases, that is, the axial movement preventing curve 14 is a straight line or a curve which is obliquely arranged relative to the axis of the threaded hole 11;
the axial movement preventing curve 14 is provided with at least one inward concave section which is concave towards the axis of the threaded hole 11, namely the axial movement preventing structure is a groove structure which is arranged on the outer wall of the embedded threaded sleeve in the axial direction, and the groove structure is embedded with the composite material, so that the embedded threaded sleeve can be prevented from moving axially;
the axial movement preventing curve 14 is provided with at least one convex section which protrudes outwards from the axis of the threaded hole 11, namely the axial movement preventing structure is a convex structure which is arranged on the outer wall of the embedded screw sleeve in the axial direction, and the convex structure is embedded into the composite material, so that the embedded screw sleeve can be prevented from moving axially;
of course, it is also possible to provide at least one concave section that is concave towards the axis of the threaded hole 11 on the anti-axial-movement curve 14 and at least one convex section that is convex away from the axis of the threaded hole 11 on the anti-axial-movement curve 14, which will not be described in detail.
Of course, the axial movement prevention structure can be set to other various structural forms, and only the technical condition that the distances from the axial movement prevention curve 14 to the axis of the threaded hole 11 are not completely equal is required to be met.
The axial movement preventing curve 14 of the embodiment is provided with at least one concave section 14a which is concave towards the axis of the threaded hole 11 and at least one convex section 14b which is convex away from the axis of the threaded hole 11, and the concave section and the convex section are arranged on the axial movement preventing curve 14 at intervals, so that the axial movement preventing reliability is better.
Further, the threaded hole 11 is a blind hole formed in one end of the swivel nut body 10, and the open end of the threaded hole 11 is located on the end face of the connecting ring 22 where the threaded hole is located, so that when the hub body 20 is formed by adopting a composite material, the composite material can be effectively prevented from entering the embedded swivel nut. When the distance from the axial movement preventing curve 14 to the axis of the threaded hole 11 along the direction from one end to the other end of the axial movement preventing curve is gradually increased or gradually decreased, the opening end of the threaded hole 11 is arranged close to the end, closest to the axis of the threaded hole 11, of the axial movement preventing curve 14, and the embedded screw sleeve is prevented from being pulled out from the end face of the connecting ring 22 by axial tension.
Further, the embedded thread sleeves of the embodiment are annularly and uniformly distributed and embedded on the end faces of the corresponding connecting rings 22, so that the connection requirements of external structures such as the hub motor are met. The end surfaces of the two ends of the connecting ring 22 are respectively provided with a groove group positioned between two adjacent embedded thread sleeves, and the groove group comprises at least one groove 23. The groove group of the embodiment includes two grooves 23, and ribs 24 are formed between the two grooves 23, so that the structural strength can be effectively enhanced.
The structure of the connection ring 22 is designed according to the assembly requirements of the hub motor, that is, the structure of the connection ring 22 can be varied, as shown in fig. 5, and one end of the connection ring 22 is provided with a protruding ring 22a extending radially inward, which will not be described in detail.
Specifically, the composite material of the present embodiment includes, but is not limited to, a composite material reinforced with various fibers such as glass fibers, basalt fibers, and carbon fibers.
The combined material wheel hub of this embodiment, through pre-buried swivel nut that sets up in the link, and prevent the circumferential direction section and prevent the axial displacement structure through setting up on pre-buried swivel nut, when the wheel hub body adopted combined material integrated into one piece, combined material and pre-buried on the swivel nut prevent the circumferential direction section and prevent that the complete gomphosis is in the same place between the axial displacement structure, utilize combined material's shaping intensity, can effectively prevent pre-buried swivel nut and rotate and axial displacement for the wheel hub body, realize the technical purpose who sets up the screw hole in the wheel hub body promptly, therefore, the combined material wheel hub of this embodiment can satisfy the installation requirement of in-wheel motor etc..
Note: as used herein, "distances are not exactly equal" means that the numerical values of the distances have two or more unequal values.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides a pre-buried swivel nut which characterized in that: the anti-rotation anti-axial-movement thread sleeve comprises a thread sleeve body (10), wherein a threaded hole (11) is formed in the thread sleeve body (10), and a circumferential rotation prevention section and an axial movement prevention structure are arranged on the outer wall of the thread sleeve body;
a section of a radial section perpendicular to the axis of the threaded hole (11) on the circumferential rotation prevention section is a circumferential rotation prevention section (12), and the distances from points on an outer contour line (13) of the circumferential rotation prevention section (12) to the axis of the threaded hole (11) are not completely equal;
the curve of the axial section passing through the axis of the threaded hole (11) and obtained on the axial movement prevention structure is an axial movement prevention curve (14), and the distances between the axial movement prevention curve (14) and the axis of the threaded hole (11) are not completely equal.
2. The embedded thread insert of claim 1, wherein:
the outer contour line (13) is an eccentric circle which is eccentrically arranged relative to the axis of the threaded hole (11); or the like, or, alternatively,
at least one section of distance gradual change section is arranged on the outer contour line (13), and the distance between the distance gradual change section and the axis of the threaded hole (11) is gradually increased or decreased; or the like, or, alternatively,
the outer contour line (13) is provided with at least one recessed section which is recessed inwards in the radial direction relative to the axis of the threaded hole (11); or the like, or, alternatively,
the outer contour line (13) is provided with at least one convex section which is convex outwards in the radial direction relative to the axis of the threaded hole (11); or the like, or, alternatively,
the outer contour line (13) is provided with at least one recessed section which is recessed inwards in the radial direction relative to the axis of the threaded hole (11); the outer contour line (13) is provided with at least one convex section which is convex outwards in the radial direction relative to the axis of the threaded hole (11).
3. The embedded thread insert of claim 2, wherein:
the concave sections and/or the convex sections are uniformly distributed in a ring shape relative to the axis of the threaded hole (11).
4. The embedded thread insert of claim 1, wherein:
the distance between the axial movement prevention curve (14) and the axis of the threaded hole (11) along the direction from one end to the other end of the axial movement prevention curve is gradually increased or gradually reduced; or the like, or, alternatively,
the axial movement prevention curve (14) is provided with at least one concave section which is concave towards the axis of the threaded hole (11); or the like, or, alternatively,
the axial movement prevention curve (14) is provided with at least one convex section which is convex outwards and faces away from the axis of the threaded hole (11); or the like, or, alternatively,
the axial movement prevention curve (14) is provided with at least one concave section which is concave towards the axis of the threaded hole (11); the axial movement prevention curve (14) is provided with at least one convex section which is convex outwards and faces away from the axis of the threaded hole (11).
5. The embedded thread insert of claim 4, wherein:
when the distance between the axial movement preventing curve (14) and the axis of the threaded hole (11) along the direction from one end to the other end of the axial movement preventing curve is gradually increased or gradually decreased, the axial movement preventing curve (14) is a straight line or a curve which is obliquely arranged relative to the axis of the threaded hole (11);
the inner concave sections and/or the outer convex sections are arranged on the axial movement preventing curve (14) at intervals.
6. The embedded thread insert of claim 4, wherein: the threaded hole (11) is a blind hole arranged at one end of the thread insert body (10), and when the distance from the axial line of the threaded hole (11) to the axial movement preventing curve (14) along the direction from one end to the other end of the axial movement preventing curve is gradually increased or gradually decreased, the opening end of the threaded hole (11) is close to the end, closest to the axial line of the threaded hole (11), of the axial movement preventing curve (14).
7. A composite hub, comprising: the wheel hub comprises a wheel hub body (20) which is integrally formed by composite materials, wherein a wheel rim (21) is arranged on the wheel hub body (20), a connecting ring (22) is arranged on the inner side of the wheel rim (21), and the end faces of two ends of the connecting ring (22) are respectively embedded with the embedded thread sleeves as claimed in any one of claims 1 to 6 in advance.
8. The composite hub of claim 7, wherein: the embedded thread sleeves are annularly and uniformly embedded on the end surfaces of the corresponding connecting rings (22).
9. The composite hub of claim 8, wherein: and the end surfaces of the two ends of the connecting ring (22) are respectively provided with a groove group positioned between two adjacent embedded thread sleeves, and the groove group comprises at least one groove (23).
10. The composite hub of claim 7, wherein: the threaded hole (11) is a blind hole formed in one end of the thread insert body (10), and the open end of the threaded hole (11) is located on the end face of the connecting ring (22) where the threaded hole is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921770405.8U CN210881528U (en) | 2019-10-21 | 2019-10-21 | Composite hub and embedded threaded sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921770405.8U CN210881528U (en) | 2019-10-21 | 2019-10-21 | Composite hub and embedded threaded sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210881528U true CN210881528U (en) | 2020-06-30 |
Family
ID=71316496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921770405.8U Active CN210881528U (en) | 2019-10-21 | 2019-10-21 | Composite hub and embedded threaded sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210881528U (en) |
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2019
- 2019-10-21 CN CN201921770405.8U patent/CN210881528U/en active Active
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